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Finding the Fourth Proportional to 250,048.56, 375,225.96 and 100,272.96

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Solution

The fourth proportional to 250,048.56, 375,225.96 and 100,272.96 is: 150,470.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,048.56 : 375,225.96 = 100,272.96 : x
  2. Step 2: Convert to fraction form
    250,048.56/375,225.96 = 100,272.96/x
  3. Step 3: Cross multiply
    250,048.56x = 375,225.96 × 100,272.96
  4. Step 4: Simplify right side
    250,048.56x = 37,625,017,678.04
  5. Step 5: Solve for x
    x = 37,625,017,678.04/250,048.56
  6. Step 6: Final answer
    x = 150,470.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.